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powdertoy.co.uk screenshot

Report Summary

  • 83

    Performance

    Renders faster than
    87% of other websites

  • 71

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

powdertoy.co.uk

Download

Page Load Speed

12.4 sec in total

First Response

189 ms

Resources Loaded

12.1 sec

Page Rendered

116 ms

powdertoy.co.uk screenshot

About Website

Welcome to powdertoy.co.uk homepage info - get ready to check Powdertoy best content for United States right away, or after learning these important things about powdertoy.co.uk

The Powder Toy is a desktop version of the classic 'falling sand' physics sandbox game, it simulates air pressure and velocity as well as heat!

Visit powdertoy.co.uk

Key Findings

We analyzed Powdertoy.co.uk page load time and found that the first response time was 189 ms and then it took 12.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

powdertoy.co.uk performance score

83

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

57/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value3.2 s

92/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.8 s

67/100

10%

Network Requests Diagram

powdertoy.co.uk

189 ms

Main.css

163 ms

Download.css

158 ms

Documentation.Changelog.css

165 ms

jQuery.min.js

407 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 41% of them (14 requests) were addressed to the original Powdertoy.co.uk, 9% (3 requests) were made to Pagead2.googlesyndication.com and 9% (3 requests) were made to Staticxx.facebook.com. The less responsive or slowest element that took the longest time to load (10.8 sec) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 224.8 kB (51%)

Content Size

442.8 kB

After Optimization

218.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Powdertoy.co.uk main page is 442.8 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 45% of websites need less resources to load. Images take 157.2 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 17.3 kB

  • Original 23.6 kB
  • After minification 22.9 kB
  • After compression 6.2 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 17.3 kB or 74% of the original size.

Image Optimization

-14%

Potential reduce by 21.9 kB

  • Original 157.2 kB
  • After minification 135.3 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Obviously, Powdertoy needs image optimization as it can save up to 21.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-60%

Potential reduce by 90.5 kB

  • Original 150.5 kB
  • After minification 144.1 kB
  • After compression 60.0 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 90.5 kB or 60% of the original size.

CSS Optimization

-85%

Potential reduce by 95.1 kB

  • Original 111.5 kB
  • After minification 92.5 kB
  • After compression 16.5 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Powdertoy.co.uk needs all CSS files to be minified and compressed as it can save up to 95.1 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (52%)

Requests Now

33

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Powdertoy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

powdertoy.co.uk

powdertoy.co.uk

189 ms

Main.css

Main.css

163 ms

Download.css

Download.css

158 ms

Documentation.Changelog.css

Documentation.Changelog.css

165 ms

jQuery.min.js

jQuery.min.js

407 ms

bootstrap.min.js

bootstrap.min.js

248 ms

Main.js

Main.js

170 ms

Download.js

Download.js

234 ms

show_ads.js

show_ads.js

9 ms

bootstrap-modal.js

bootstrap-modal.js

240 ms

bootstrap.min.css

bootstrap.min.css

327 ms

ga.js

ga.js

42 ms

Icon.png

Icon.png

99 ms

Screen2.png

Screen2.png

159 ms

Screen1.png

Screen1.png

269 ms

Screen3.png

Screen3.png

100 ms

zrt_lookup.html

zrt_lookup.html

86 ms

show_ads_impl.js

show_ads_impl.js

48 ms

__utm.gif

__utm.gif

42 ms

ads

ads

10842 ms

osd.js

osd.js

37 ms

all.js

all.js

149 ms

plusone.js

plusone.js

104 ms

github-btn.html

github-btn.html

46 ms

widgets.js

widgets.js

11 ms

The-Powder-Toy

The-Powder-Toy

54 ms

cb=gapi.loaded_0

cb=gapi.loaded_0

11 ms

10684 ms

xd_arbiter.php

xd_arbiter.php

10672 ms

xd_arbiter.php

xd_arbiter.php

10814 ms

xd_arbiter.php

xd_arbiter.php

81 ms

like.php

like.php

58 ms

vpc6VNjRPXV.js

vpc6VNjRPXV.js

281 ms

LVx-xkvaJ0b.png

LVx-xkvaJ0b.png

316 ms

Accessibility Review

powdertoy.co.uk accessibility score

71

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Image elements do not have [alt] attributes

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

powdertoy.co.uk best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

powdertoy.co.uk SEO score

69

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Powdertoy.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Powdertoy.co.uk main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

powdertoy.co.uk

Open Graph description is not detected on the main page of Powdertoy. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: